Fix an issue when opening a popup inside of zoomToShowLayer. If there was an existing spiderfied marker with a popup on it, the map would scroll back to the location of that marker.
Fix an issue when opening a popup inside of zoomToShowLayer. If there was an existing spiderfied marker with a popup on it, the map would scroll back to the location of that marker.

Leaflet/Leaflet.markercluster,ghybs/Leaflet.markercluster,Leaflet/Leaflet.markercluster,frenomus/Leaflet.markercluster,frenomus/Leaflet.markercluster,ghybs/Leaflet.markercluster